1. PES University Department of Physics, , Hosur Road, Electronic City, Bangalore, Karnataka 560100, India
2. M.P.E Society’s S.D.M Degree College Department of Physics, , Honnavar, Karnataka 581334, India
3. IDSG Government College Department of Physics, , Chikkamagaluru, Karnataka 577102, India
4. Kuvempu University Department of Physics, , Shankaraghatta, Shivamogga 577451, India
5. Smt. V.G. College for Women Kalaburagi Department of Studies and Research in Physics, , Karnataka 585103, India